package com.zhuimeng.sort;

import org.apache.hadoop.io.IntWritable;
import org.apache.hadoop.io.LongWritable;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.mapreduce.Mapper;

import java.io.IOException;

public class SortMapper extends Mapper<LongWritable, Text,Text, IntWritable> {

    Text k = new Text();
    int line = 1;
    @Override
    protected void map(LongWritable key, Text value, Context context) throws IOException, InterruptedException {
        String str = value.toString();
        int v = Integer.parseInt(str);
        k.set(line+"");
        line++;
        context.write(k,new IntWritable(line));
    }
}
